But now Caitriona has revealed why she is unlikely to fall for her co-star, despite the steamy sex scenes we see on the show.

During a recent appearance on Taylor Strecker's SiriusXM radio show, Wake Up with Taylor , she said: "Well, I mean, for me I think it's quite easy not to develop feelings like that because it's acting, right?

"You know, I feel very lucky, Sam and I have an amazing bond, we're really great friends – but, you know, it's acting."

She also discussed how the intimate scenes with Sam are not actually as steamy as the magic of television makes fans believe.

Jamie McCarthy/Getty Images

Sam Heughan and Caitriona Balfe are just "great friends" off-screen

Caitriona added: "You're usually doing those scenes in front of about 20 people, mostly burly, sweaty men whose jeans are like halfway down their bum crack. So it's quite easy not to get carried away! We call it plumber's butt in Ireland."

She told Entertainment Weekly: “This is fantasy. This is our job. We are very different in our private life. We are best friends. From the moment we met, we got along. Sam is one of the most generous people you’ll ever meet. Such a great guy, no ego involved.”

Ahead of Season 2, Sam also revealed he is saddened that some fans may feel let down as they are not in a relationship.

He said: “It saddens me a bit but I guess that means we’ve done a good job."

Look back over every moment of Season 2, Episode 4: La Dame Blanche with Connie Verzak's ultimate recap here.

• Connie Brandan Verzak is an Illinois-based blogger who writes recaps for her favourite shows on her Tumblr, Killing Time. She enjoys laughing, quoting movies, karaoke, and watching frankly too much television. You can follow Connie on Twitter